<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>常见文本元素</title>
</head>
<body>
    <b>粗体文本</b>
    <!-- <br> -->
    <i>斜体文本</i>
    <!-- <br> -->
    <u>下划线文本</u>
    <!-- <br> -->
    <s>删除线文本</s>
    <!-- <br> -->
    <span>不带任何样式的文本，用于文本分区</span>
    <br>
    特殊符号：&nbsp;&nbsp;&nbsp;&nbsp;  &lt; hello &gt;
    <!--  空格&nbsp;  -->
    版权：&copy;  商标：&trade; &reg;
</body>
</html>